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Author:

宋晓艳 (宋晓艳.) (Scholars:宋晓艳) | 邓韵文 (邓韵文.) | 乔印凯 (乔印凯.)

Indexed by:

incoPat zhihuiya

Abstract:

一种高纯超细纳米晶镥块体材料的制备方法,属于纳米材料制备技术领域。首先制备出镥纳米颗粒;在惰性气氛保护下,将镥纳米颗粒依次通过40目、100目、200目筛后,装入硬质合金模具,预压成坯,再送入真空度1.0x10-7Pa以上、环境氧含量0.1ppm以下的放电等离子烧结系统中;对镥纳米颗粒压坯进行放电等离子烧结:升温速率60-120℃/min,烧结压力300-500MPa,终态烧结温度400-700℃,并在终态烧结温度下保温6-12min。本发明镥纳米晶块体致密度均达99%以上,纯度均在99.95wt.%以上,平均晶粒尺寸在40nm以下,相对于常规粗晶镥块体材料,显微硬度和弹性模量均有提高。

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Patent Info :

Type: 发明授权

Patent No.: CN201310206774.5

Filing Date: 2013-05-29

Publication Date: 2015-08-26

Pub. No.: CN103273069B

Applicants: 北京工业大学

Legal Status: 授权 ; 权利转移

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 15

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